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Posts Tagged 'Calibration'

We are pleased to present below all posts tagged with 'Calibration'. If you still can't find what you are looking for, try using the search box.

Recommendations for Setting & Adjusting Instrument Calibration Intervals

The importance of calibration in the maintenance of an instrument used for taking measurements is well understood by all who use this equipment. These highly sensitive instruments come with an assigned measurement tolerance and a recommendation on the calibration interval from the manufacturer, and it’s clear that failure to follow those recommendations can lead to a host of issues, including inaccurate measurements.

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The Importance of Calibration and Special Considerations

Of course engineering tools and machinery must be properly calibrated. It’s so basic, we may not think about why that is. So why is it? Ask a hundred engineers and you’ll probably get a variation on two answers...

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The Economics of Test Automation - Part 2

Last week, we began analyzing the economics of test automation by discussing its cost, from development to deployment to operation. But looking solely at cost can make the decision to adopt test automation both intimidating and lopsided, so we should also consider the benefits that we can reap from automation.

This week, we look at 5 benefits that test automation can bring to your organization: higher workforce productivity, yield improvement, better test throughput, high scalability, and quality improvement.

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Why Calibrate Your Test and Measurement Equipment?

When you are deciding to buy a piece of test equipment, you would very likely look at its datasheet to ensure that it can perform within certain key specifications important to testing your product. After the purchase, you rely on this equipment to ensure the quality of your products. Over time, you need to make sure that the equipment continues to perform within its original specifications, in order to ensure the validity of your product test results. In other words, can you be sure you are actually shipping only good products, and rejecting every bad one?

This is where calibration comes in.

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The Intersection of NIST, Calibration, Metrology and Traceability

“NIST closed, all measurements invalid…”  EDN Network’s Huffington Post-style headline may not have been too far from the truth when the NIST (National Institute of Standards and Technology), like most US government agencies, was forced to temporarily close its doors. Now that the deadlock in Washington is over and the Federal government - including NIST – is on track to re-open, we are again thinking about calibration, metrology and traceability - and where the NIST fits in.

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Test Equipment Calibration: A Necessary Cost of Ownership

Calibration is a traceable process that ensures your measurement instrumentation is performing reliably within its specifications. It is also one of the unavoidable costs of test equipment ownership – a cost that you continue to carry as long as you operate the instrument in an environment that demands reliably accurate measurements. The pressure to reduce maintenance costs in any business is a reality, and even more so in those organizations that use multiple test instruments. So can the cost of calibration be reduced in the long term? Some companies have done so by extending the calibration interval time or time needed for recalibration.

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Calculating Power with a Scope

Oscilloscopes measure power as instantaneous, real, apparent, or reactive. Fortunately, the Power Analysis software on the Teledyne LeCroy HDO 6000 oscilloscope can make it easy and fast to see how much power you’ve got without all the off-line mathematical computations. Basically, every oscilloscope responds to voltage. With the right transducer (usually a current probe or resistive shunt), it can give you a reading of current. The oscilloscope displays the instantaneous function of the voltage you’re measuring. It also plots current against time. Multiply the two and you get instantaneous power. Power Analysis Made Easier The image above shows a basic line power measurement. The elements of a power measurement (instantaneous voltage, current, and power) are shown on an HDO 6000 oscilloscope equipped with the Power Analysis option. The instrument automatically computes and displays both real and apparent power. Multiplying the instantaneous voltage (channel 1) by the current (cha ...

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Shiny and New vs. Tried and True: Old Test Equipment Hard to Let Go

Shiny objects have a certain appeal, sure, but when it comes to testing equipment, what really matters is accuracy and reliability.  Measurement Assurance Technology has always supported its customers and their aging equipment, offering calibration and repair on unsupported and obsolete units, along with the sale of lab-certified, pre-owned test equipment.

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Testing in a New Product Development Cycle: 5 Things That Affect Your Lab Vendor Selection

New product development cycles vary in different industries, but in virtually all - automotive, military, medical device, electronics and communications - testing is required at several stages in development to ensure that all safety minimums and industry.

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Managing Test Equipment Isn’t Your Job

Of all the engineers we know (and we know a lot) none have ever hinted that they got into their particular line of work to manage spreadsheets and track calibration history of any type of test equipment – no matter how cool that equipment is. Most of the engineers we know were drawn to the profession because they like to build things, take them apart, and re-build them (better than the first time). They stay in the profession because they’re hooked on the challenge of constantly doing things faster, better, and more cost-effectively, with less scrap and fewer returns. Some admit they really like cool gadgets with names like oscilloscope, fluke, and multimeter. By the way, if you got into engineering because you really love testing and retesting and calibrating and recalibrating and analyzing and tracking of all the data related to test equipment, we’d love to hear from you. In fact, send us your resume – this could be your kind of place. But, if managing test equipment isn’t s ...

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Managing Test Equipment Isn’t Your Job

Of all the engineers we know (and we know a lot) none have ever hinted that they got into their particular line of work to manage spreadsheets and track calibration history of any type of test equipment – no matter how cool that equipment is. Most of the engineers we know were drawn to the profession because they like to build things, take them apart, and re-build them (better than the first time). They stay in the profession because they’re hooked on the challenge of constantly doing things faster, better, and more cost-effectively, with less scrap and fewer returns. Some admit they really like cool gadgets with names like oscilloscope, fluke, and multimeter. By the way, if you got into engineering because you really love testing and retesting and calibrating and recalibrating and analyzing and tracking of all the data related to test equipment, we’d love to hear from you. In fact, send us your resume – this could be your kind of place. But, if managing test equipment isn’t s ...

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Improving Quality and Reliability

Calibrating, Servicing and Selling Electronic Test Equipment means we care about the quality and reliability of our products as much as our customers do. And, like our customers, we’re concerned about the cost of ownership of the tools we sell. Read on for ways in which you can buy and operate with assurance...

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Bigger Lab, Faster Turnaround

To better serve our customers, MAT recently opened the doors to a larger, updated laboratory offering additional repair and calibration services

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Convenience, Industry Expertise, Customer Service: Measurement Equipment You Can Rely On

Technologies and requirements change so quickly and so constantly, buyers need high-performance equipment they can rely on and industry partners who can help them make the best selections when it comes to measurement and calibration equipment.  We at Measurement Assurance Technology are continuously spending time and effort to make sure that our knowledge and service capabilities will continue to support single source solutions and assist a wide variety of users with total management capabilities for their calibration and repair programs. Our service offerings and knowledge in technology equipment is as vast as the number of products we sell. In other words, if you need it, we probably have it, can get it, or can recommend measurement equipment options to assist you in your search. The first step in the calibration equipment buying cycle is researching available products to make sure they fit identified criteria and requirements. While the product’s feature set and reliability ...

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5 Go-To Network Analyzers, Refurbished, Reliable and Up to 70% Less than New

Engineers responsible for testing network parameters, and especially those shopping for new network analyzers, may experience sticker shock. Just as new car buyers see the next year’s models released, new network analyzers with new features and minor style changes appear almost constantly. Before taking a pencil to the RFP, though, cost-conscious engineers (like savvy car shoppers) should take a look at used inventory. Of course, the reliability of used equipment is always a concern, as – just like cars – some models perform like new for many years, and others don’t hold up as well. That’s why Measurement Assurance Technology offers used network analyzers for sale only after they’re fully refurbished and certified for reliability.   (By the way, to answer a question we’re often asked about buying used network analyzers: yes, we stand behind the products we sell, and we also offer calibration and repair services, just in case.) We’re not saying used t ...

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Laboratory Accreditations

ISO/IEC 17025 is the main standard used by testing and calibration laboratories. Originally known as ISO/IEC Guide 25, ISO/IEC 17025 was initially issued by the ISO in 1999. There are many commonalities with the ISO 9000 standard, but ISO/IEC 17025 adds in the concept of competence to the equation. And it applies directly to those organizations that produce testing and calibration results. There are two main sections in ISO/IEC 17025 - Management Requirements and Technical Requirements. Management requirements are primarily related to the operation and effectiveness of the quality management system within the laboratory. Technical requirements address the competence of staff, methodology and test/calibration equipment. Laboratories use ISO/IEC 17025 to implement a quality system aimed at improving their ability to consistently produce valid results. It is also the basis for accreditation from an Accreditation Body. Since the standard is about competence, accreditation is simply formal recognition of a demon ...

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